Rename construct -> measure, seed with SqmCategories and Subcategories

app/models/measure.rb

@@ -0,0 +1,44 @@
+class Measure < ActiveRecord::Base
+  belongs_to :subcategory
+
+  Zone = Struct.new(:low_benchmark, :high_benchmark, :type) do
+    def includes_score?(score)
+      score > low_benchmark and score < high_benchmark
+    end
+  end
+
+  def warning_zone
+    Zone.new(1, watch_low_benchmark, :warning)
+  end
+
+  def watch_zone
+    Zone.new(watch_low_benchmark, growth_low_benchmark, :watch)
+  end
+
+  def growth_zone
+    Zone.new(growth_low_benchmark, approval_low_benchmark, :growth)
+  end
+
+  def approval_zone
+    Zone.new(approval_low_benchmark, ideal_low_benchmark, :approval)
+  end
+
+  def ideal_zone
+    Zone.new(ideal_low_benchmark, 5.0, :ideal)
+  end
+
+  def zone_for_score(score)
+    case score
+    when ideal_zone.low_benchmark..ideal_zone.high_benchmark
+      ideal_zone
+    when approval_zone.low_benchmark..approval_zone.high_benchmark
+      approval_zone
+    when growth_zone.low_benchmark..growth_zone.high_benchmark
+      growth_zone
+    when watch_zone.low_benchmark..watch_zone.high_benchmark
+      watch_zone
+    else
+      warning_zone
+    end
+  end
+end